First go to vt2 (Ctrl + Alt + -->) then type:
cp /opt/google/chrome/pepper/libpepflashplayer.so /home/chronos/[your user # *]/Downloads/
Then, in Ubuntu, copy the file to
/usr/lib/chromium-browser/plugins and type in the terminal:
gksudo gedit #(or preferred text editor)
/etc/chromium-browser/default in that editor and add to this file:
CHROMIUM_FLAGS="--ppapi-flash-path=/usr/lib/chromium-browser/plugins/libpepflashplayer.so --ppapi-flash-version=[Your flash version # **] --ppapi-flash-args=enable_hw_video_decode=0,enable_stagevideo_auto=0,enable_trace_to_console=0"
*In Chrome OS, your user number can be found by pressing Ctrl + Shift + j, then clicking the gear in the top right corner, then click the "Workspace" option and then click "Add folder" click open and your user number will be at the top of Chrome in the "Allow/Deny" bar.
**You can find the version by going to
chrome://plugins in Chrome OS and copy it from the Flash Player. It should look like
Note: This is not working for chromium 36 but seems to work for other versions of chromium.